package com.pic4493.controls;

import android.content.Context;
import android.util.AttributeSet;
import android.webkit.WebView;
import android.widget.ProgressBar;

public class CstProgressWebView extends WebView
{
   private ProgressBar progressbar;

   public CstProgressWebView(Context context, AttributeSet attrs)
   {
	  super(context, attrs);
	  progressbar = new ProgressBar(context, null, android.R.attr.progressBarStyleHorizontal);
	  progressbar.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, 20, 0, 2));
	  addView(progressbar);
	  // setWebViewClient(new WebViewClient(){});
	  setWebChromeClient(new WebChromeClient());
   }

   public class WebChromeClient extends android.webkit.WebChromeClient
   {
	  @Override
	  public void onProgressChanged(WebView view, int newProgress)
	  {
		 if (newProgress == 100)
		 {
			progressbar.setVisibility(GONE);
		 }
		 else
		 {
			if (progressbar.getVisibility() == GONE)
			   progressbar.setVisibility(VISIBLE);
			progressbar.setProgress(newProgress);
		 }
		 super.onProgressChanged(view, newProgress);
	  }

   }

   @Override
   protected void onScrollChanged(int l, int t, int oldl, int oldt)
   {
	  LayoutParams lp = (LayoutParams) progressbar.getLayoutParams();
	  lp.x = l;
	  lp.y = t;
	  progressbar.setLayoutParams(lp);
	  super.onScrollChanged(l, t, oldl, oldt);
   }
}
